Aklil, Wogenie Birhanie. “ Effect of Increasing Levels of Energy and Protein Supplementation on Feed Intake and Body Weight Change of Black Head Somali Sheep Fed on Natural Grass Hay”. International Journal of Livestock Research 14, no. 1 (January 31, 2024): 46–55. Accessed June 25, 2026. https://ijlr.org/ojs_journal/index.php/ijlr/article/view/213.